What is the precautionary principle and how does it guide environmental decision-making?

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What is the precautionary principle and how does it guide environmental decision-making?

The precautionary principle is a guiding principle in environmental decision-making that emphasizes taking preventive action in the face of uncertainty. It suggests that if an action or policy has the potential to cause harm to the environment or public health, but there is no scientific consensus on the extent of the harm, the burden of proof should be on those proposing the action or policy. In other words, it is better to err on the side of caution and take preventive measures rather than waiting for conclusive evidence of harm. This principle encourages decision-makers to consider the potential long-term consequences of their actions and prioritize the protection of the environment and public health.